Home / 26,765.77-36,935.78-15,435.74

Finding the Fourth Proportional to 26,765.77, 36,935.78 and 15,435.74

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Solution

The fourth proportional to 26,765.77, 36,935.78 and 15,435.74 is: 21,300.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,765.77 : 36,935.78 = 15,435.74 : x
  2. Step 2: Convert to fraction form
    26,765.77/36,935.78 = 15,435.74/x
  3. Step 3: Cross multiply
    26,765.77x = 36,935.78 × 15,435.74
  4. Step 4: Simplify right side
    26,765.77x = 570,131,227.71
  5. Step 5: Solve for x
    x = 570,131,227.71/26,765.77
  6. Step 6: Final answer
    x = 21,300.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.